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21 CFR 556.226

§ 556.226 Enrofloxacin.

United States · 21 CFR — Food and Drugs · Status: effective

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21 CFR 556.226, § 556.226 Enrofloxacin, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87761
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(a) Acceptable daily intake (ADI). The ADI for total residue of enrofloxacin is 3 µg/kg of body weight per day. (b) Tolerances. The tolerances for enrofloxacin are: (1) Cattle. Liver (target tissue): 0.1 ppm desethylene ciprofloxacin (marker residue). (2) Swine. Liver (target tissue): 0.5 ppm enrofloxacin (marker residue). (c) Related conditions of use. See §§ 516.812 and 522.812 of this chapter.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.